Diagnostic procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	VERIFY RELATED PENDING CODE OR STORED DTCs Is DTC P2088.00 or P2089:00 present?	Yes	Go to the applicable DTC inspection. (See DTC P2088:00 [L5] .) (See DTC P2089:00 [L5] .)
3		No	Go to the next step.
4	VERIFY ENGINE OIL PRESSURE Start the engine. Does the oil pressure warning light illuminate?	Yes	Inspect the engine oil pressure, then go to Step 8. (See OIL PRESSURE INSPECTION [L5] .)
4		No	Go to the next step
5	INSPECT OCV Stop the engine Remove the OCV (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [L5] .) Inspect the position of the spool valve in the OCV Is the spool valve located at the valve retard position?	Yes	Reinstall or replace the OCV, then go to Step 8. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [L5] .)
5		No	Go to the next step.
6	VERIFY TIMING CHAIN INSTALLATION Remove the timing chain cover Is the camshaft timing mark at the correct point?	Yes	Go to the next step.
6		No	Reinstall the timing chain, then go to Step 8. (See TIMING CHAIN REMOVAL/INSTALLATION [L5] .)
7	INSPECT ENGINE OIL RUNNER Inspect the following engine oil runners for clogging or leakage: Between oil pressure switch and OCV Between OCV and variable valve timing actuator In variable valve timing actuator Is there any clogging or leakage?	Yes	Repair or replace the suspected runner, then go to the next step
7		No	VARIABLE VALVE TIMING MECHANISM IS NORMAL NOTE: This DTC is detected by intermittent concern. An intermittent concern might be removed using the cleaning mode of the variable valve timing control function. Go to the next step.
8	VERIFY DTC TROUBLESHOOTING COMPLETED Make sure to reconnect all disconnected connectors Clear the DTC from the PCM memory using the M-MDS Switch the ignition to off. Start the engine and warm it up completely. Is the PENDING CODE for this DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [L5] .)
8		No	Go to the next step
9	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [L5] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [L5] .)
9		No	DTC troubleshooting completed